JPH01105932U - - Google Patents
Info
- Publication number
- JPH01105932U JPH01105932U JP1988000863U JP86388U JPH01105932U JP H01105932 U JPH01105932 U JP H01105932U JP 1988000863 U JP1988000863 U JP 1988000863U JP 86388 U JP86388 U JP 86388U JP H01105932 U JPH01105932 U JP H01105932U
- Authority
- JP
- Japan
- Prior art keywords
- focal length
- light
- aperture
- switching
- camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/20—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with change of lens
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/12—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Viewfinders (AREA)
- Exposure Control For Cameras (AREA)
- Structure And Mechanism Of Cameras (AREA)
Description
第１図は本考案の一実施例を示す概略図である
。第２図は第１図に示した実施例の要部斜視図で
ある。第３図は第１図に示した実施例の要部断面
図である。第４図は本考案の他の実施例を示す要
部正面図である。第５図は本考案を用いたカメラ
の外観図である。
１２……測光窓、１５……第１レバー、２３…
…テレ・ワイド切換機構、２４……切換レバー、
２７……絞り板、３０……受光制御板、３１……
受光素子、３２ａ……スリツト（広角用）、３２
ｂ……スリツト（望遠用）、３８……絞り板、３
９……受光制御板。
FIG. 1 is a schematic diagram showing an embodiment of the present invention. FIG. 2 is a perspective view of essential parts of the embodiment shown in FIG. 1. FIG. 3 is a sectional view of a main part of the embodiment shown in FIG. 1. FIG. 4 is a front view of main parts showing another embodiment of the present invention. FIG. 5 is an external view of a camera using the present invention. 12...Photometering window, 15...First lever, 23...
...Tele/wide switching mechanism, 24...Switching lever,
27...Aperture plate, 30...Light reception control board, 31...
Light receiving element, 32a...Slit (for wide angle), 32
b...Slit (for telephoto), 38...Aperture plate, 3
9...Light reception control board.
補正 昭６３．９．３０
実用新案登録請求の範囲を次のように補正する
。Amendment September 30, 1986 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
(1) 撮影レンズの焦点距離を長焦点距離と短焦
点距離との間で切り換えられるようにした焦点距
離切り換え式カメラにおいて、
カメラボデイに設けられた測光窓から入射した
光を受光する受光素子と、この受光素子の前面に
設けられ、狭い受光角を与えるための第１開口と
広い受光角を与えるための第２開口とが形成され
た受光制御部材と、この受光制御部材の第２開口
を遮る方向に移動自在に設けられ、撮影レンズの
焦点距離を短焦点に切り換えることに連動して前
記第１及び第２開口の両者を開放する位置に移動
され、撮影レンズを長焦点に切り換えることに連
動して前記第２開口を遮蔽する位置に移動される
絞り部材部材とからなることを特徴とする焦点距
離切換え式カメラ。
(2) 前記受光制御部材には、前記第１開口及び
第２の開口がそれぞれ複数個ずつ形成されている
ことを特徴とする実用新案登録請求の範囲第１項
記載の焦点距離切換え式カメラ。
(3) 前記絞り部材は撮影レンズの焦点距離の切
換えによつてフアインダ光学系を切換える部材に
よつて移動されることを特徴とする実用新案登録
請求の範囲第１項もしくは第２項記載の焦点距離
切換え式カメラ。[Scope of Claim for Utility Model Registration] (1) In a focal length switchable camera in which the focal length of the photographic lens can be switched between a long focal length and a short focal length, light incident through a photometric window provided in the camera body a light-receiving element that receives the light; a light-receiving control member that is provided in front of the light-receiving element and has a first aperture for providing a narrow light-receiving angle and a second aperture for providing a wide light-receiving angle; It is provided so as to be movable in the direction of blocking the second aperture of the light reception control member, and is moved to a position where both the first and second apertures are opened in conjunction with switching the focal length of the photographing lens to a short focal length, and is moved to a position where both the first and second apertures are opened. A focal length switching type camera comprising: a diaphragm member that is moved to a position that blocks the second aperture in conjunction with switching the lens to a long focal length. (2) The focal length switching type camera according to claim 1, wherein a plurality of the first apertures and a plurality of the second apertures are formed in the light reception control member. (3) The focal point according to claim 1 or 2, wherein the aperture member is moved by a member that switches the finder optical system by switching the focal length of the photographic lens. Distance switching type camera.
Claims (1)
点距離との間で切り換えられるようにした焦点距
離切換え式カメラにおいて、 カメラボデイに設けられた測光窓から入射した
光を受光する受光素子と、この受光素子の前面に
設けられ、狭い受光角を与えるための第１開口と
広い受光角を与えるための第２開口とが形成され
た受光制御部材と、この受光制御部材の前面に移
動自在に設けられ、撮影レンズの焦点距離を短焦
点に切り換えることに連動して前記第１及び第２
開口の両者を開放する位置に移動され、撮影レン
ズの焦点距離を長焦点に切り換えることに連動し
て前記第２開口を遮蔽する位置に移動される絞り
部材とからなることを特徴とする焦点距離切換え
式カメラ。 (2) 前記受光制御部材には、前記第１及び第２
の開口がそれぞれ複数個ずつ形成されていること
を特徴とする実用新案登録請求の範囲第１項記載
の焦点距離切換え式カメラ。 (3) 前記絞り部材は撮影レンズの焦点距離の切
換えによつてフアインダ光学系を切換える部材に
よつて移動されることを特徴とする実用新案登録
請求の範囲第１項もしくは第２項記載の焦点距離
切換え式カメラ。[Scope of Claim for Utility Model Registration] (1) In a focal length switchable camera in which the focal length of the photographing lens can be switched between a long focal length and a short focal length, light incident through a photometric window provided in the camera body. a light-receiving element that receives the light; a light-receiving control member that is provided in front of the light-receiving element and has a first aperture for providing a narrow light-receiving angle and a second aperture for providing a wide light-receiving angle; The first and second
and a diaphragm member that is moved to a position that opens both of the apertures, and that is moved to a position that blocks the second aperture in conjunction with switching the focal length of the photographing lens to a long focal length. Switchable camera. (2) The light reception control member includes the first and second
The focal length switching type camera according to claim 1, wherein a plurality of apertures are formed respectively. (3) The focal point according to claim 1 or 2, wherein the aperture member is moved by a member that switches the finder optical system by switching the focal length of the photographic lens. Distance switching type camera.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988000863U JPH01105932U (en) | 1988-01-08 | 1988-01-08 | |
| KR1019890000119A KR920006819B1 (en) | 1988-01-08 | 1989-01-07 | Camera with changeable focal length |
| US07/294,810 US4896182A (en) | 1988-01-08 | 1989-01-09 | Camera with changeable focal length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988000863U JPH01105932U (en) | 1988-01-08 | 1988-01-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105932U true JPH01105932U (en) | 1989-07-17 |
Family
ID=11485506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988000863U Pending JPH01105932U (en) | 1988-01-08 | 1988-01-08 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4896182A (en) |
| JP (1) | JPH01105932U (en) |
| KR (1) | KR920006819B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2508115Y2 (en) * | 1990-06-13 | 1996-08-21 | 旭光学工業株式会社 | Zoom camera |
| JPH08220584A (en) * | 1995-02-14 | 1996-08-30 | Nikon Corp | Image pick-up |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3134021A (en) * | 1959-08-01 | 1964-05-19 | Zeiss Ikon Ag | Photoelectric exposure meters with light ray limiters |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1141093B (en) * | 1956-05-11 | 1962-12-13 | Rollei Werke Franke Heidecke | Photoelectric light meter |
-
1988
- 1988-01-08 JP JP1988000863U patent/JPH01105932U/ja active Pending
-
1989
- 1989-01-07 KR KR1019890000119A patent/KR920006819B1/en not_active IP Right Cessation
- 1989-01-09 US US07/294,810 patent/US4896182A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3134021A (en) * | 1959-08-01 | 1964-05-19 | Zeiss Ikon Ag | Photoelectric exposure meters with light ray limiters |
Also Published As
| Publication number | Publication date |
|---|---|
| US4896182A (en) | 1990-01-23 |
| KR920006819B1 (en) | 1992-08-20 |
| KR890012186A (en) | 1989-08-24 |
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